-sqoop incremental append - handle delete?
Chalcy 2012-10-23, 14:13
Hello sqoop users,
Sqoop incremental append for insert and update works really great. Is
there anyway to handle deletes? I am planning to do it by left outer join
but trying to find if there is any other way.
On Tue, Oct 23, 2012 at 9:41 AM, Chalcy <[EMAIL PROTECTED]> wrote:
> Hello Sqoop users,
> I tried to use sqoop merge and understand all the parameters except
> --class-name and --jar-file. What should that be? Sqoop errors out if I
> do not specify them.
> The command I am using is
> sqoop merge --new-data user/hadoop/testincrement --onto
> /user/hadoop/exisitngdata --target-dir /user/hadoop/mergeddir --merge-key